30. One of the kidney's roles in acid-base balance is to:
Anonymous Quiz
10%
A) Excrete HCO_3 only
85%
B) Excrete H+ ions in the urine
5%
C) Produce CO_2
❤🔥7❤3🎉3💔3
31. Regarding bicarbonate, the kidneys:
Anonymous Quiz
26%
A) Reabsorb HCO_3 into the blood
70%
B) Convert HCO_3 to CO_2 for exhalation
4%
C) Excrete all HCO_3
❤10👎5🎉2
32. Which enzyme is essential for the kidney's role in acid-base balance?
Anonymous Quiz
5%
A) Amylase
91%
B) Carbonic anhydrase
3%
C) Lipase
❤🔥9🎉3❤2👍1😁1😢1💘1
33. Respiratory Acidosis is characterized by:
Anonymous Quiz
14%
A) Decreased pCO_2 and increased pH
79%
B) Increased pCO_2 and decreased pH
6%
C) Decreased HCO_3 and decreased pH
🎉9❤3👎2💘2
34. Hyperventilation (due to anxiety or pain) causes:
Anonymous Quiz
23%
A) Respiratory Acidosis
66%
B) Respiratory Alkalosis
11%
C) Metabolic Acidosis
🎉8❤3💯1💋1💘1
35. Diabetic ketoacidosis and renal failure are common causes of:
Anonymous Quiz
11%
A) Respiratory Alkalosis
42%
B) Metabolic Alkalosis
47%
C) Metabolic Acidosis
👍6👎3🎉3❤1💘1
36. Severe vomiting can lead to:
Anonymous Quiz
16%
A) Metabolic Acidosis
70%
B) Metabolic Alkalosis
14%
C) Respiratory Acidosis
🎉7❤2👍1🍓1💘1
37. The primary function of Thiamine (B1) is to convert:
Anonymous Quiz
2%
A) Glucose to Glycogen
97%
B) Pyruvate to Acetyl-CoA
1%
C) Lipids to Fatty acids
🍓9🎉2💘2❤1🔥1
38. Riboflavin (B2) is a structural component of:
Anonymous Quiz
25%
A) NAD+ and NADP+
73%
B) FMN and FAD
2%
C) Acetyl-CoA
🎉10❤3👍1👎1💘1
39. Pellagra, characterized by the "3 Ds" (Dementia, Dermatitis, Diarrhea), is caused by a deficiency of:
Anonymous Quiz
3%
A) Thiamine (B1)
17%
B) Riboflavin (B2)
80%
C) Niacin (B3)
❤5👍4🎉4💘1
40. Pyridoxine (B6) serves as a cofactor for:
Anonymous Quiz
28%
A) Carbonic anhydrase
59%
B) Transaminases
13%
C) Polymerases
❤9💔5⚡2💘1
41. Low maternal Folate intake during pregnancy is associated with:
Anonymous Quiz
10%
A) Scurvy
87%
B) Neural tube defects
3%
C) Rickets
❤🔥5❤4💘3🎉1
42. Vitamin C (Ascorbate) is essential for:
Anonymous Quiz
1%
A) Vision
98%
B) Collagen synthesis and as an antioxidant
1%
C) Blood clotting
❤8❤🔥2🎉2👏1💘1
43. Which vitamin is a component of Rhodopsin (visual purple)?
Anonymous Quiz
11%
A) Vitamin D
23%
B) Vitamin E
65%
C) Vitamin A
🤔7👀7💘3❤2❤🔥1👍1👎1
44. The active form of Vitamin D, produced in the kidneys, is:
Anonymous Quiz
10%
A) 25-OHD3
89%
B) 1,25-(OH)2D3
1%
C) Ergocalciferol
❤5👏1🎉1🍓1💘1
45. Deficiency of Vitamin E is associated with:
Anonymous Quiz
5%
A) Rickets
91%
B) Hemolysis and atherosclerosis
4%
C) Bleeding
❤6🎉2🍓1💘1
46. Vitamin K is essential for the synthesis of which clotting factors?
Anonymous Quiz
15%
A) I, II, V, VIII
80%
B) II, VII, IX, X
6%
C) III, IV, VI, XI
❤6👎2💘2🎉1
47. Zinc is a cofactor for which of these enzymes?
Anonymous Quiz
85%
A) Alkaline phosphatase and Carbonic anhydrase
13%
B) ALT and AST
3%
C) Amylase and Lipase
💘5❤3🎉2💋2
🎉5❤3👎2💔1💘1
49. Selenium is a component of which antioxidant enzyme?
Anonymous Quiz
21%
A) Superoxide dismutase
77%
B) Glutathione peroxidase
2%
C) Catalase
❤🔥5🎉1💘1
50. Excess Manganese (Mn) can cause symptoms similar to:
Anonymous Quiz
6%
A) Alzheimer's
93%
B) Parkinson's disease
2%
C) Diabetes
❤7❤🔥1🎉1💘1